
.box {
  width: 600px;
  height: 400px;
  padding: 100px;
  border: 2px solid cadetblue;
  margin: 100px auto;
}

.box1 {
  width: 300px;
  height: 200px;
  border: 2px solid coral;
  margin: 100px auto;
  position: relative;
}

.box2 {
  width: 100px;
  height: 100px;
  background-color: aqua;
  position: absolute;
  top: 10px;
  right: 0;
}


